New Faucet Drips After Shut Off

We recently had our very old stems and faucets replaced in our bathtub. We have a separate handle for hot and cold. The first thing I noticed is that the new handles don't turn half as far as our old handles, not sure if this is standard in new faucet handles?

The problem we are having is that after turning off the water, the faucet drips for about two minutes. It drips harder and longer after turning off if the shower was used. As I indicated, the drip does stop after a few minutes, but can anyone tell me how to stop this from happening. Thank you!